4489787169 has 24 divisors (see below), whose sum is σ = 7516109952. Its totient is φ = 2529455040.

The previous prime is 4489787161. The next prime is 4489787177. The reversal of 4489787169 is 9617879844.

It is an interprime number because it is at equal distance from previous prime (4489787161) and next prime (4489787177).

It is not a de Polignac number, because 4489787169 - 2³ = 4489787161 is a prime.

It is a super-2 number, since 2×4489787169² = 40316377645834069122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (4489787161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 497404 + ... + 506349.

It is an arithmetic number, because the mean of its divisors is an integer number (313171248).

Almost surely, 2^4489787169 is an apocalyptic number.

It is an amenable number.

4489787169 is a deficient number, since it is larger than the sum of its proper divisors (3026322783).

4489787169 is a wasteful number, since it uses less digits than its factorization.

4489787169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003837 (or 1003834 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The square root of 4489787169 is about 67005.8741380187. The cubic root of 4489787169 is about 1649.7137145179.

The spelling of 4489787169 in words is "four billion, four hundred eighty-nine million, seven hundred eighty-seven thousand, one hundred sixty-nine".